mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 12:43:36 +01:00
3d60239dc7
An alloca which can be sunk into the extraction region may have more than one bitcast use. Move these uses along with the alloca to prevent use-before-def. Testing: check-llvm, stage2 build of clang Fixes llvm.org/PR42451. Differential Revision: https://reviews.llvm.org/D64463 llvm-svn: 365660
67 lines
2.0 KiB
LLVM
67 lines
2.0 KiB
LLVM
; RUN: opt -S -partial-inliner -skip-partial-inlining-cost-analysis < %s | FileCheck %s
|
|
; RUN: opt -S -passes=partial-inliner -skip-partial-inlining-cost-analysis < %s | FileCheck %s
|
|
|
|
%class.A = type { i32 }
|
|
@cond = local_unnamed_addr global i32 0, align 4
|
|
|
|
; Function Attrs: uwtable
|
|
define void @_Z3foov() local_unnamed_addr {
|
|
bb:
|
|
%tmp = alloca %class.A, align 4
|
|
%tmp1 = alloca %class.A, align 4
|
|
%tmp2 = bitcast %class.A* %tmp to i8*
|
|
call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp2)
|
|
%tmp3 = bitcast %class.A* %tmp1 to i8*
|
|
call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp3)
|
|
%tmp4 = load i32, i32* @cond, align 4, !tbaa !2
|
|
%tmp5 = icmp eq i32 %tmp4, 0
|
|
br i1 %tmp5, label %bb6, label %bb7
|
|
|
|
bb6: ; preds = %bb
|
|
call void @_ZN1A7memfuncEv(%class.A* nonnull %tmp)
|
|
br label %bb7
|
|
|
|
bb7: ; preds = %bb6, %bb
|
|
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp3)
|
|
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp2)
|
|
ret void
|
|
}
|
|
|
|
; Function Attrs: argmemonly nounwind
|
|
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
|
|
|
|
declare void @_ZN1A7memfuncEv(%class.A*) local_unnamed_addr
|
|
|
|
; Function Attrs: argmemonly nounwind
|
|
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
|
|
|
|
; Function Attrs: uwtable
|
|
define void @_Z3goov() local_unnamed_addr {
|
|
bb:
|
|
tail call void @_Z3foov()
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: define internal void @_Z3foov.1.
|
|
; CHECK: newFuncRoot:
|
|
; CHECK-NEXT: alloca
|
|
; CHECK-NEXT: alloca
|
|
; CHECK-NEXT: bitcast
|
|
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8
|
|
; CHECK-NEXT: bitcast
|
|
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8
|
|
; CHECK: call void @llvm.lifetime.end.p0i8
|
|
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8
|
|
; CHECK-NEXT: br label {{.*}}exitStub
|
|
|
|
|
|
!llvm.module.flags = !{!0}
|
|
!llvm.ident = !{!1}
|
|
|
|
!0 = !{i32 1, !"wchar_size", i32 4}
|
|
!1 = !{!"clang version 5.0.0 (trunk 304489)"}
|
|
!2 = !{!3, !3, i64 0}
|
|
!3 = !{!"int", !4, i64 0}
|
|
!4 = !{!"omnipotent char", !5, i64 0}
|
|
!5 = !{!"Simple C++ TBAA"}
|